The three shuttle transporters depicted on the center right playfield carry the insignia of A8, W11, and S81. Artist Mark Sprenger told us that this represented the initials and birthdate of his son, as a little gift to him. Steve Ritchie confirmed his voice is used on this game. For several Williams games (especially before 1987), Speech Processing was a separate task than Software Programming and may have been done by a different person than whom we list as having done the Software. Larry DeMar did the Speech Processing for this game. This is the first solid state production pinball machine to have a playfield toy. Earlier examples of games with toys include Stoner's 1935 'Zoom' and Chicago Coin's 1964 'South Pacific'.